Home / 186,867.82-280,338.63-68,540.23

Finding the Fourth Proportional to 186,867.82, 280,338.63 and 68,540.23

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Solution

The fourth proportional to 186,867.82, 280,338.63 and 68,540.23 is: 102,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,867.82 : 280,338.63 = 68,540.23 : x
  2. Step 2: Convert to fraction form
    186,867.82/280,338.63 = 68,540.23/x
  3. Step 3: Cross multiply
    186,867.82x = 280,338.63 × 68,540.23
  4. Step 4: Simplify right side
    186,867.82x = 19,214,474,178.08
  5. Step 5: Solve for x
    x = 19,214,474,178.08/186,867.82
  6. Step 6: Final answer
    x = 102,823.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.